Réaction #742258

Équation de réaction

3-[2-(tert-Butyl-dimethyl-silanyloxy)-phenyl]-acrylic acid tert-butyl-dimethyl-silyl ester

oxalyl chloride

→

3-[2-(tert-Butyl-dimethyl-silanyloxy)-phenyl]-acryloyl chloride

Solvants

CH2Cl2

Conditions de réaction

Traitement

1. 1
   workup.ADDITIONAfter complete addition the reaction mixture
2. 2
   FiltrationThe reaction mixture was filtered
3. 3
   Autreevaporated to dryness
4. 4
   TempératureThe solution was cooled in the refrigerator overnight
5. 5
   Filtrationfiltered
6. 6
   Autreevaporated

Mode opératoire

To a 0° C. cold solution of 6.3 g of 3-[2-(tert-Butyl-dimethyl-silanyloxy)-phenyl]-acrylic acid tert-butyl-dimethyl-silyl ester and 8 drops of DMF in 15 ml of CH2Cl2 was added dropwise 2.0 ml of oxalyl chloride. After complete addition the reaction mixture was allowed to warm to room temperature and stirring was continued for 60 h. The reaction mixture was filtered, evaporated to dryness and taken up in MTBE. The solution was cooled in the refrigerator overnight, filtered and evaporated to yield 4.4 g of 3-[2-(tert-Butyl-dimethyl-silanyloxy)-phenyl]-acryloyl chloride.

Source